JP2006341042A - Swing chair - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a chair which comprises legs, a back, a seat, and arms and eases the user by allowing the user to swing only the seat back and forth gently with the move of buttocks. <P>SOLUTION: This chair comprises legs 1, a back 2, a seat 3, and armrests 4. Hanging tools 5 are hooked, allowing swinging, to swinging hooks 5a through fixing parts 4a and 3a placed on a pair of the armrests 4 facing each other through the seat 3 and the seat 3, respectively. The user, while sitting on the seat 3, can swing the body for refreshing by swinging the seat 3 back and forth gently. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

The present invention relates to a chair with an armrest used in a living room or a desk work, etc., which can be swung back and forth while sitting on the seat surface of the chair.

A rocking chair called a rocking chair has long been known as a conventional technique of this kind, but the leg of the chair to be grounded is greatly curved in a bow shape, and the seat surface provided on these two legs is , The user sits down, grasps both armrests, swings the body forward and backward, moves the center of gravity of the body, and the legs that curve forward and backward interlock, swinging the body swinging back and forth .

And these chairs are constructed with the backrest greatly tilted backward from the seating surface, and when used, the center of gravity of the body is placed behind, and the body collapses backward by shaking, so the legs are also lower than the seating surface. It sticks out backwards and prevents it from turning backwards in an overrun.

However, this type of chair in the prior art is a leg that is bent in a bow shape that swings back and forth by shaking your body for work breaks and leisure and relaxing. There is a problem such as large swinging back and forth of the backrest and the chair unexpectedly bumping the head against the wall unless it is separated from the wall.

In this way, this kind of chair is large and difficult to move, and desk work is unstable with the floor of the chair, making it unsuitable for writing and computer operations. However, there was a strong desire to have a compact and lightweight chair with a dual function that can be relaxed to heal fatigue from time to time while being placed on a table in normal desk work or living.

In order to solve such a problem, the invention according to claim 1 is a chair comprising a leg 1, a backrest 2, a seat surface 3, and an armrest 4 as described in FIG. In a chair composed of armrests 4, a user who sits on these seating surfaces 3 hangs a suspension tool 5 freely back and forth through a fixing portion 4 a provided on the armrests 4 formed of a pair. The seat surface 3 is gently shaken forward and backward while sitting down, and the body is shaken while sitting in a mood change.

Next, as described in FIG. 2, the invention according to claim 2 connects both the backrest 2 and the seating surface 3 as described above so that the backrest 2 can freely move simultaneously with the shaking of the seating surface 3. It is the structure to do.

Next, as described in FIG. 3, the invention according to claim 3 is provided with a locking means A for locking the back and forth movement of the seating surface 3 in a part of the seating surface 3 and the leg 1, and when not in use. Is a configuration in which the back-and-forth movement of the seating surface 3 is fixed and a continuous chair can be used.

Further, as described in FIG. 3 which is the same as FIG. 3 of the above-mentioned third embodiment, the seat member 3b for supporting the seat surface 3 is described as a specific example of the invention according to the fourth aspect. A stopper 7 located at the center of the front and protruding to the end of the lock pipe 6 that is fixed upright is slidably engaged with the inner diameter of the lock pipe 6, and the tip 7a of the stopper 7 is attached to the leg reinforcement 1a. The lock means A can be inserted into the opening of the stopper hole 1b and can be locked and unlocked.

Next, as described in FIG. 4, the invention according to claim 5, as described in FIG. 4, is a leg 101 constituting a chair with four legs 1 standing upright, two legs 101 adjacent to the backrest 2 or the other two legs. The casters 9 are provided in the vicinity of the ground contact portion of the leg body 101, and the rollers 9a that rotate the floor surface of these casters 9 are grounded by the elastic force of the compression coil spring 9a that constitutes the caster 9 when the seat is empty. The part floats slightly above the floor surface, the user sits on the seat surface 3, and the load C is pressed against the compression coil spring 9a during use, and the leg body 101 of the caster 9 that has shrunk and floated from the floor surface comes into contact with the floor surface. The leg 101 has no wobble.

Since the present invention operates as described above, the following excellent effects can be obtained. That is, as described in the first embodiment, in the living room or desk work, do not leave the table while sitting on the seat surface of the placed swing chair, take a hand on the armrest to take a rest, lightly put the buttocks in front By simply moving it later, it is possible to provide a swing chair that can change its mood by swinging the body according to the power of the buttocks.

In addition, as described in the second embodiment, it is possible to provide a swing chair capable of changing a mood while extending both legs while leaning on the back with the back integrated with the seat and gently moving the body forward and backward.

Next, as described in the third and fourth embodiments, when it is desired to fix the free movement of the seating surface, the locking device provided under the seating surface can be operated with one hand while sitting down. We can provide a swing chair equivalent to that of other chairs.

And as described in the fifth embodiment, the casters provided on the legs roll on the floor only when the hips are removed from the seat and the body is removed from the seat, so it is easy to move without lifting the chair. A swing chair that can be used can be provided.

Hereinafter, the present invention will be described in more detail based on the embodiments shown in the drawings. FIG. 1 is a perspective view showing the whole of the first embodiment according to the present invention, and a leg body 1 which is a part of a chair body is configured so as not to wobble stably on a floor surface by a pair of metal pipes. Are fixed to the backrest 2 and the armrest 4 integrally, and only the seat surface 3 for sitting on the back is individually hung on the armrest 4 which is a pair, but the material of the main part of the chair body is a metal pipe However, the present invention does not specify a material such as wood or synthetic resin or a drawing of an appearance form.

In order to make the seat surface 3 suspended by the pair of armrests 4 freely movable back and forth, a hanging tool 5 is used in the form of a metal rod, and the left and right armrests 4 are used as a pair of hanging tools 5. Both sides of the hanger 5 are performed by loosely engaging the fixed portions 3a (4a) of both members, but are not limited to the material of the hanger 5 and are left with selections such as fiber or wood. The configuration of the fixing portion 3a of the armrest 4 of the hanging tool 5 and the fixing portion 4a with the seat surface 3 can also be established by other methods.

As described above, in the invention in the first embodiment, the user sits on the seat surface 3, puts both feet on the floor surface, shakes the body before and after shaking, shakes the armrest 4 with both hands, and swings the buttocks back and forth. In addition, the body can be relaxed while heading to the table or desk comfortably by swinging it into a natural body or swinging like a swing.

Next, FIG. 2 is a perspective view showing the whole of the second embodiment, in which the above-described freely-movable seat surface 3 is integrated with the backrest 2 and both are configured to be freely movable at the same time. A swing chair that swings back and forth while swinging the seat 3 while swinging the seat 2 back and forth, and swinging the seat 3 in the direction of the arrow A as shown in FIG. In the backrest 2, the body tilts in the rear arrow A direction, and the seat surface 3 swings in the rear arrow B direction, so that the backrest 2 moves back and forth while shaking the body in the front arrow B direction. To do.

Next, FIG. 3 is a partial perspective view showing the main part of the third and fourth embodiments in two ways: the above-described back and forth movement of the seat surface 3 and the backrest 2 that moves integrally with the seat surface 3. By providing the lock means A that stably fixes the seat surface 3 that moves back and forth in the normal position, these locks can be stably placed on the floor surface of a normal chair, so that it can be used in a table or desk work. With the configuration embodying the chair and the dual function, these lock means A allow the seat surface 3 to be unlocked and locked.

As an optimum embodiment in the configuration of the locking means A for the forward and backward movement of the seat surface 3 as described above, as shown in FIG. 3, the lock is positioned upright and located at the front center of the seat member 3b that supports the seat surface 3 A stopper 7 that can be protruded from the end of the pipe 6 is slidably engaged with the inner diameter of the lock pipe 6, and the tip 7a of the stopper 7 can be inserted into a stopper hole 1b that opens in the leg reinforcement 1a. Locking and unlocking of the surface 3 is released in line with the stop relief 6a provided in the lock slit 6c cut into the outer periphery of the lock pipe 6 by the core diameter 8a of the knob 8 which is driven upright into the stopper 7. The stopper end portion 7a can be embodied by being put in and out of the stopper hole portion by engaging with the concave shape with the portion 6b.

In other words, the space functions so as not to hinder the back-and-forth movement of the seat surface 3 and functions in parallel with both the leg reinforcement 1a fixed to the leg 1 in parallel with the seat member 3b. 8 is picked and rotated in the direction of arrow a, released from the stop-and-run portion 6a of the lock pipe 6 and lifted in the direction of arrow b to lock the slit 7 from the stopper hole 1b which opens the tip 7a of the stopper 7 to the leg reinforcement 1a. By removing the knob 8 and rotating the knob 8 into the release relief 6b in the direction opposite to the arrow a, the seat surface 3 is unlocked and freely moves. In this way, the knob 8 is picked and operated up and down to enable locking and unlocking.

Next, FIG. 4 is an overall perspective view of the fifth embodiment with partial omission in the fifth embodiment. In the leg body 101 having four legs 1 in the chair that swings forward and backward of the seat surface 3 described above, The casters 9 are provided in the vicinity of the installation portions of the two adjacent legs 101 or the other two legs 101, and the rollers 9a that rotate the floor surface of these casters 9 are configured in the casters 9 when they are empty. The caster that floats from the floor surface because the elastic force of the compression coil spring 9a slightly lifts the grounding part of the leg 101 from the floor surface, the user sits on the seat surface 3, and the load C is pressed against the compression coil spring 9a during use. Nine legs 101 are in contact with the floor surface, and the legs 101 have no wobble.

As you can see, it is easy to move the chair. While sitting around the bench work or table in the living room, you can sit back and swing the seat 1 back and forth from time to time. It is a configuration that embodies an optimal swing chair that can be easily healed.

It is a whole perspective view concerning the present invention in the first example. It is a whole perspective view concerning the present invention in the 2nd example. It is a principal part perspective view concerning the present invention in the 3rd example and the 4th example. It is a whole perspective view by a part omission concerning the present invention in the 5th example.

Explanation of symbols

1, (101) Leg 1a Leg reinforcement 1b Stopper hole 2 Back 3 Seat surface 3a, (4a) Fixed part 3b Seat member 4 Armrest 5 Suspension 5a Floating lock 6 Lock pipe 6a Stop relief 6b Release Escape 6c Lock slit 7 Stopper 7a Tip 8 Knob 9 Caster 9a Roller 9b Compression coil spring

Claims (5)

In a chair composed of a leg (1), a backrest (2), a seating surface (3), and an armrest (4), a seating surface (3) is provided on each of the armrest (4) and the seating surface (3), which are a pair. The suspension tool (5) is slidably engaged with the floating locking part (5a) via the fixing parts (4a) and (3a), and the user seated on these seating surfaces (3) is seated on the seating surface. A swing chair characterized in that (3) can be gently rocked back and forth so that the body can be shaken while sitting in a mood change. Both the backrest (2) and the seating surface (3) are integrally connected, and the backrest (2) is freely movable simultaneously with the shaking of the seating surface (3). Item 1. A swinging chair according to item 1. Locking means (A) for locking the back and forth movement of the seating surface (3) described above is provided on a part of the seating surface (3) and the leg (1), and the seating surface (3) when not in use. The swing chair according to claim 1 or 2, characterized in that a normal chair can be used by fixing the back and forth movements. The locking means (A) described above has a stopper (7) that can be protruded from the end of the lock pipe (6) that is positioned upright and fixed at the center of the front of the seat member (3b) that supports the seat surface (3). The sliding surface engages with the inner diameter of the lock pipe (6), and the tip (7a) of the stopper (7) can be inserted into the stopper hole (1b) opened in the leg reinforcement (1a), and the seat surface (3) 5. The swing chair according to claim 4, wherein the lock means (A) is capable of locking and unlocking. In the case where the leg (101) is composed of four legs (1) upright, the two legs (101) adjacent to the backrest (2) or the other two legs (101) are grounded. Casters (9) are provided in the vicinity of the section, and the rollers (9a) that rotate the floor surface of these casters (9) are legged by the elastic force of the compression coil spring (9b) that constitutes the casters (9) when empty. The grounding part of the body (101) is slightly lifted from the floor, the user is seated on the seat (3), the load (C) is pressed against the compression coil spring (9b) during use, and the caster (floating from the floor) A swing chair characterized in that the leg (101) of 9) is grounded to the floor surface and has a wobbling leg (101) configuration.

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